/* Handle TIC6X (DSBT) shared libraries for GDB, the GNU Debugger.
- Copyright (C) 2010-2015 Free Software Foundation, Inc.
+ Copyright (C) 2010-2017 Free Software Foundation, Inc.
This file is part of GDB.
{
struct dsbt_info *info;
- info = program_space_data (current_program_space, solib_dsbt_pspace_data);
+ info = (struct dsbt_info *) program_space_data (current_program_space,
+ solib_dsbt_pspace_data);
if (info != NULL)
return info;
external loadsegs. I.e, allocate the internal loadsegs. */
int_ldmbuf_size = (sizeof (struct int_elf32_dsbt_loadmap)
+ (nsegs - 1) * sizeof (struct int_elf32_dsbt_loadseg));
- int_ldmbuf = xmalloc (int_ldmbuf_size);
+ int_ldmbuf = (struct int_elf32_dsbt_loadmap *) xmalloc (int_ldmbuf_size);
/* Place extracted information in internal structs. */
int_ldmbuf->version = version;
/* Allocate space for the complete (external) loadmap. */
ext_ldmbuf_size = sizeof (struct ext_elf32_dsbt_loadmap)
+ (nsegs - 1) * sizeof (struct ext_elf32_dsbt_loadseg);
- ext_ldmbuf = xmalloc (ext_ldmbuf_size);
+ ext_ldmbuf = (struct ext_elf32_dsbt_loadmap *) xmalloc (ext_ldmbuf_size);
/* Copy over the portion of the loadmap that's already been read. */
memcpy (ext_ldmbuf, &ext_ldmbuf_partial, sizeof ext_ldmbuf_partial);
external loadsegs. I.e, allocate the internal loadsegs. */
int_ldmbuf_size = sizeof (struct int_elf32_dsbt_loadmap)
+ (nsegs - 1) * sizeof (struct int_elf32_dsbt_loadseg);
- int_ldmbuf = xmalloc (int_ldmbuf_size);
+ int_ldmbuf = (struct int_elf32_dsbt_loadmap *) xmalloc (int_ldmbuf_size);
/* Place extracted information in internal structs. */
int_ldmbuf->version = version;
/* Read in .dynamic from the BFD. We will get the actual value
from memory later. */
sect_size = bfd_section_size (abfd, sect);
- buf = bufstart = alloca (sect_size);
+ buf = bufstart = (gdb_byte *) alloca (sect_size);
if (!bfd_get_section_contents (abfd, sect,
buf, 0, sect_size))
return 0;
break;
}
- sop = xcalloc (1, sizeof (struct so_list));
- sop->lm_info = xcalloc (1, sizeof (struct lm_info));
+ sop = XCNEW (struct so_list);
+ sop->lm_info = XCNEW (struct lm_info);
sop->lm_info->map = loadmap;
/* Fetch the name. */
addr = extract_unsigned_integer (lm_buf.l_name,
/* Helper function for gdb_bfd_lookup_symbol. */
static int
-cmp_name (asymbol *sym, void *data)
+cmp_name (const asymbol *sym, const void *data)
{
return (strcmp (sym->name, (const char *) data) == 0);
}
static int
enable_break (void)
{
- enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());
asection *interp_sect;
struct dsbt_info *info;
{
unsigned int interp_sect_size;
char *buf;
- bfd *tmp_bfd = NULL;
CORE_ADDR addr;
- gdb_byte addr_buf[TIC6X_PTR_SIZE];
struct int_elf32_dsbt_loadmap *ldm;
int ret;
/* Read the contents of the .interp section into a local buffer;
the contents specify the dynamic linker this program uses. */
interp_sect_size = bfd_section_size (exec_bfd, interp_sect);
- buf = alloca (interp_sect_size);
+ buf = (char *) alloca (interp_sect_size);
bfd_get_section_contents (exec_bfd, interp_sect,
buf, 0, interp_sect_size);
loaded so that we can load its symbols and place a breakpoint
in the dynamic linker itself. */
+ gdb_bfd_ref_ptr tmp_bfd;
TRY
{
tmp_bfd = solib_bfd_open (buf);
/* Record the relocated start and end address of the dynamic linker
text and plt section for dsbt_in_dynsym_resolve_code. */
- interp_sect = bfd_get_section_by_name (tmp_bfd, ".text");
+ interp_sect = bfd_get_section_by_name (tmp_bfd.get (), ".text");
if (interp_sect)
{
info->interp_text_sect_low
- = bfd_section_vma (tmp_bfd, interp_sect);
+ = bfd_section_vma (tmp_bfd.get (), interp_sect);
info->interp_text_sect_low
+= displacement_from_map (ldm, info->interp_text_sect_low);
info->interp_text_sect_high
= info->interp_text_sect_low
- + bfd_section_size (tmp_bfd, interp_sect);
+ + bfd_section_size (tmp_bfd.get (), interp_sect);
}
- interp_sect = bfd_get_section_by_name (tmp_bfd, ".plt");
+ interp_sect = bfd_get_section_by_name (tmp_bfd.get (), ".plt");
if (interp_sect)
{
info->interp_plt_sect_low =
- bfd_section_vma (tmp_bfd, interp_sect);
+ bfd_section_vma (tmp_bfd.get (), interp_sect);
info->interp_plt_sect_low
+= displacement_from_map (ldm, info->interp_plt_sect_low);
info->interp_plt_sect_high =
- info->interp_plt_sect_low + bfd_section_size (tmp_bfd, interp_sect);
+ info->interp_plt_sect_low + bfd_section_size (tmp_bfd.get (),
+ interp_sect);
}
- addr = gdb_bfd_lookup_symbol (tmp_bfd, cmp_name, "_dl_debug_state");
+ addr = gdb_bfd_lookup_symbol (tmp_bfd.get (), cmp_name,
+ "_dl_debug_state");
if (addr != 0)
{
if (solib_dsbt_debug)
ret = 0;
}
- /* We're done with the temporary bfd. */
- gdb_bfd_unref (tmp_bfd);
-
- /* We're also done with the loadmap. */
+ /* We're done with the loadmap. */
xfree (ldm);
return ret;
return 0;
}
-/* Once the symbols from a shared object have been loaded in the usual
- way, we are called to do any system specific symbol handling that
- is needed. */
-
-static void
-dsbt_special_symbol_handling (void)
-{
-}
-
static void
dsbt_relocate_main_executable (void)
{
ldm = info->exec_loadmap;
xfree (info->main_executable_lm_info);
- info->main_executable_lm_info = xcalloc (1, sizeof (struct lm_info));
+ info->main_executable_lm_info = XCNEW (struct lm_info);
info->main_executable_lm_info->map = ldm;
- new_offsets = xcalloc (symfile_objfile->num_sections,
- sizeof (struct section_offsets));
+ new_offsets = XCNEWVEC (struct section_offsets,
+ symfile_objfile->num_sections);
old_chain = make_cleanup (xfree, new_offsets);
changed = 0;
dsbt_so_ops.free_so = dsbt_free_so;
dsbt_so_ops.clear_solib = dsbt_clear_solib;
dsbt_so_ops.solib_create_inferior_hook = dsbt_solib_create_inferior_hook;
- dsbt_so_ops.special_symbol_handling = dsbt_special_symbol_handling;
dsbt_so_ops.current_sos = dsbt_current_sos;
dsbt_so_ops.open_symbol_file_object = open_symbol_file_object;
dsbt_so_ops.in_dynsym_resolve_code = dsbt_in_dynsym_resolve_code;
dsbt_so_ops.bfd_open = solib_bfd_open;
- dsbt_so_ops.validate = default_solib_validate;
/* Debug this file's internals. */
add_setshow_zuinteger_cmd ("solib-dsbt", class_maintenance,